package com.zhangln.mountbuzhou.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @author mac
 * @description: 提供手动获取被spring管理的bean对象
 */
@Component
@Slf4j
public class SpringUtils {

    public static ApplicationContext applicationContext;

    /**
     * 获取applicationContext
     */
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * 通过name获取 Bean.
     */
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    /**
     * 通过class获取Bean.
     */
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    /**
     * 通过name,以及Clazz返回指定的Bean
     */
    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }

    public static <T> Map<String, T> beans(Class<T> clazz) {
        return getApplicationContext().getBeansOfType(clazz);
    }

}